Using VW, any external API calls can be threaded, and those threads may 
(depending on the OS) use the second CPU.  As well, if VW (or Squeak) are 
running on a dual CPU box, then that second CPU provides more "processing 
space" for other applications.

At 05:11 AM 5/3/2006, you wrote:
>The is no. At least for Squeak. I guess it's the same for VW.
>Bernard Pottier pointed this issue (in his talk last ESUG conference ?)
>
>Noury
>Note : Please send your questions about Smalltalk to ESUG members list 
>(esug-list at lists.esug.org) to get more answers.
>
>Le 2 mai 06, à 15:40, THOMAS JAMES a écrit :
>
>>Is there any advantage in a dual-core processor when running Smalltalk?
>>      Your views appreciated.
>>         Tom Keenan     hogwashparty at yahoo.co.uk
>>
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>--------------------------------------------------------------
>Dr. Noury Bouraqadi - Enseignant/Chercheur
>Ecole des Mines de Douai - Dept. G.I.P
>http://csl.ensm-douai.fr/noury
>
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>Squeak: an Open Source Smalltalk
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<Talk Small and Carry a Big Class Library>
James Robertson, Product Manager, Cincom Smalltalk
http://www.cincomsmalltalk.com/blog/blogView